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25149P4 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

25149P4: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8735, thread_class: 3A NUT THREAD A, thread_length: 1.000 INCHES MINIMUM STUD THREAD IN, overall_length: 2.391 INCHES NOMINAL IN, special_features: STUD END THREAD 0.004 IN. OVERSIZE IN, thread_direction: RIGHT-HAND STUD THREAD.

This part is cataloged in the U.S. Government catalog under NSN 5307-00-145-2949, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
25149P4
NSN: 5307-00-145-2949
FSC: 5307 — Studs
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 8735
thread_class3A NUT THREAD A
thread_length1.000 INCHES MINIMUM STUD THREAD IN
overall_length2.391 INCHES NOMINAL IN
special_featuresSTUD END THREAD 0.004 IN. OVERSIZE IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_pitch_diameters+0.3427 TO 0.3451 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.109 INCHES NOMINAL FIRST HOLE IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-145-2949
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25149P4 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COTTER PIN HOLE DIAMETER: 0.109 INCHES NOMINAL FIRST HOLE IN
•
THREAD LENGTH: 0.625 INCHES MINIMUM NUT THREAD IN
•
THREAD PITCH DIAMETERS: +0.3427 TO 0.3451 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
COTTER PIN HOLE DIAMETER0.109 INCHES NOMINAL FIRST HOLE IN
THREAD LENGTH0.625 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH1.000 INCHES MINIMUM STUD THREAD IN
THREAD PITCH DIAMETERS+0.3427 TO 0.3451 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.391 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES 1
AS25149P4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25149P4?
25149P4 is a STUD,PLAIN.
What parts can replace 25149P4?
There is 1 known substitute for 25149P4: AS25149P4. Substitute compatibility should be verified for your specific system.
What is the NSN for 25149P4?
25149P4 is cataloged in the U.S. Government catalog under NSN 5307-00-145-2949. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.